making halo maps for xbox from scratch.........

[Devastater]

hey, i used to mod a little, you know a bitmap here and there and then i did some extremly simple ce maps, well, that was like a year ago and i was just looking into modded again, are there any good tuts for making halo or, more preferably halo 2 maps from scratch or just so that my map has nothing in common with a standard map, scenery and landscaping wise......i've searched a little but havn't really been able to find anything.........could someone point me in the direction of a good tutorial??? thanks!!!